Big Dipper Firefly vs brittlestar

Photinus pyralis compared with Amphiura filiformis

Taxonomic Classification

Rank	Big Dipper Firefly	brittlestar
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Echinodermata (棘皮动物门)
Class	Insecta (昆蟲綱)	Ophiuroidea (蛇尾纲)
Order	Coleoptera (鞘翅目)	Amphilepidida (阳遂足目)
Family	Lampyridae	Amphiuridae
Genus	Photinus	Amphiura
Species	Photinus pyralis	Amphiura filiformis

Evolutionary Relationship

Big Dipper Firefly and brittlestar share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Big Dipper Firefly

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Big Dipper Firefly	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Dipper Firefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and United States.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Big Dipper Firefly

The Big Dipper Firefly (Photinus pyralis) is a species in the genus Photinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.